/// <summary>
/// Adds an exception mapping scheme which uses strongly-typed settings of <typeparamref name="TOptions"/>
/// and a set of mapping conventions of <typeparamref name="TConventionService"/> to handle exception. This
/// method passes custom parameters to the constructor of <typeparamref name="THandler"/>.
/// </summary>
/// <typeparam name="TOptions">The type of the settings consumed by the scheme.</typeparam>
/// <typeparam name="TConventionService">The mapping convention service type.</typeparam>
/// <typeparam name="THandler">The type of the scheme implementer.</typeparam>
/// <param name="builder">The builder.</param>
/// <param name="name">The name of the scheme to be added.</param>
/// <param name="configure">The action to configure scheme options.</param>
/// <param name="parameters">The custom parameters to pass into the handler.</param>
public static ExceptionMappingBuilder AddParameterizedScheme <TOptions, TConventionService, THandler>(
this ExceptionMappingBuilder builder,
string name,
Action <TOptions> configure,
params object[] parameters)
where TOptions : ExceptionMappingSchemeOptions, new()
where TConventionService : class
where THandler : ExceptionHandler <TOptions, TConventionService>
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
if (configure == null)
{
throw new ArgumentNullException(nameof(configure));
}
if (parameters == null)
{
throw new ArgumentNullException(nameof(parameters));
}
builder.Services.Configure <TOptions>(name, opt => opt.SchemeName = name);
builder.AddParameterizedScheme <THandler>(name, parameters);
builder.Services.Configure(name, configure);
return(builder);
}
/// <summary>
/// Adds an exception mapping scheme which uses strongly-typed settings of <typeparamref name="TOptions"/>
/// and a set of mapping conventions of <typeparamref name="TConventionService"/> to handle exception.
/// </summary>
/// <typeparam name="TOptions">The type of the settings consumed by the scheme.</typeparam>
/// <typeparam name="TConventionService">The mapping convention service type.</typeparam>
/// <typeparam name="THandler">The type of the scheme implementer.</typeparam>
/// <param name="builder">The builder.</param>
/// <param name="name">The name of the scheme to be added.</param>
public static ExceptionMappingBuilder AddScheme <TOptions, TConventionService, THandler>(
this ExceptionMappingBuilder builder,
string name)
where TOptions : ExceptionMappingSchemeOptions, new()
where TConventionService : class
where THandler : ExceptionHandler <TOptions, TConventionService>
=> builder.AddScheme <TOptions, TConventionService, THandler>(name, _ => { });
/// <summary>
/// Adds an exception mapping scheme of <typeparamref name="THandler"/> and passes custom parameters to the
/// constructor of <typeparamref name="THandler"/>.
/// </summary>
/// <typeparam name="THandler">The type of the scheme implementer.</typeparam>
/// <param name="builder">The builder.</param>
/// <param name="name">The name of the scheme to be added.</param>
/// <param name="parameters">The custom parameters to pass into the handler.</param>
public static ExceptionMappingBuilder AddParameterizedScheme <THandler>(
this ExceptionMappingBuilder builder,
string name,
params object[] parameters)
where THandler : IExceptionHandler
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
if (parameters == null)
{
throw new ArgumentNullException(nameof(parameters));
}
builder.AddScheme(new ExceptionMappingSchemeRegistration(
name, typeof(THandler),
serviceProvider => ActivatorUtilities.CreateInstance <THandler>(serviceProvider, parameters)));
return(builder);
}
/// <summary>
/// Adds an exception mapping scheme which uses strongly-typed settings of <typeparamref name="TOptions"/>
/// and a set of mapping conventions of <typeparamref name="TConventionService"/> to handle exception. This
/// method passes custom parameters to the constructor of <typeparamref name="THandler"/>.
/// </summary>
/// <typeparam name="TOptions">The type of the settings consumed by the scheme.</typeparam>
/// <typeparam name="TConventionService">The mapping convention service type.</typeparam>
/// <typeparam name="THandler">The type of the scheme implementer.</typeparam>
/// <param name="builder">The builder.</param>
/// <param name="name">The name of the scheme to be added.</param>
/// <param name="parameters">The custom parameters to pass into the handler.</param>
public static ExceptionMappingBuilder AddParameterizedScheme <TOptions, TConventionService, THandler>(
this ExceptionMappingBuilder builder,
string name,
params object[] parameters)
where TOptions : ExceptionMappingSchemeOptions, new()
where TConventionService : class
where THandler : ExceptionHandler <TOptions, TConventionService>
=> builder.AddParameterizedScheme <TOptions, TConventionService, THandler>(name, _ => { }, parameters);
/// <summary>
/// Adds an exception mapping scheme which maps exception to HTTP response by convention.
/// </summary>
/// <param name="builder">The exception mapping builder.</param>
/// <param name="name">The name of the scheme.</param>
/// <param name="configure">The action to configure the endpoint exception mapping scheme.</param>
public static ExceptionMappingBuilder AddEndpointResponse(
this ExceptionMappingBuilder builder,
string name,
Action <EndpointExceptionHandlerOptions> configure)
{
builder.Services.TryAddSingleton <IHttpContextFinder, HttpContextFinder>();
builder.Services.TryAddSingleton <IRoutePatternFormatter, RoutePatternFormatter>();
builder.Services.TryAddSingleton <IProblemResponseWriterFactory, ProblemResponseWriterFactory>();
builder.AddScheme <EndpointExceptionHandlerOptions, IEndpointExceptionMappingConvention,
EndpointExceptionHandler>(name, configure);
return(builder);
}
/// <summary>
/// Updates lifetime of <see cref="IExceptionMapper"/> service.
/// </summary>
/// <param name="builder">The builder.</param>
/// <param name="lifetime">The new lifetime of <see cref="IExceptionMapper"/> service.</param>
public static ExceptionMappingBuilder SetMapperLifetime(
this ExceptionMappingBuilder builder,
ServiceLifetime lifetime)
{
var serviceDescriptor = builder.Services.FirstOrDefault(
sd => sd.ServiceType == typeof(IExceptionMapper));
if (serviceDescriptor == null)
{
throw new InvalidOperationException("No registered 'IExceptionMapper' found.");
}
if (serviceDescriptor.Lifetime == lifetime ||
serviceDescriptor.ImplementationInstance != null)
{
return(builder);
}
ServiceDescriptor?newServiceDescriptor = null;
if (serviceDescriptor.ImplementationType != null)
{
newServiceDescriptor = new ServiceDescriptor(typeof(IExceptionMapper),
serviceDescriptor.ImplementationType, lifetime);
}
else if (serviceDescriptor.ImplementationFactory != null)
{
newServiceDescriptor = new ServiceDescriptor(typeof(IExceptionMapper),
serviceDescriptor.ImplementationFactory, lifetime);
}
if (newServiceDescriptor != null)
{
builder.Services.Replace(newServiceDescriptor);
}
return(builder);
}
/// <summary>
/// Adds an exception mapping scheme which maps exception to HTTP response by convention.
/// </summary>
/// <param name="builder">The exception mapping builder.</param>
/// <param name="configure">The action to configure the endpoint exception mapping scheme.</param>
public static ExceptionMappingBuilder AddEndpointResponse(
this ExceptionMappingBuilder builder,
Action <EndpointExceptionHandlerOptions> configure)
=> builder.AddEndpointResponse(EndpointExceptionMappingDefaults.EndpointScheme, configure);
/// <summary>
/// Adds an exception mapping scheme which maps exception to HTTP response by convention.
/// </summary>
/// <param name="builder">The exception mapping builder.</param>
/// <param name="name">The name of the scheme.</param>
public static ExceptionMappingBuilder AddEndpointResponse(
this ExceptionMappingBuilder builder,
string name)
=> builder.AddEndpointResponse(name, _ => { });
/// <summary>
/// Adds an exception mapping scheme which maps exception to HTTP response by convention.
/// </summary>
/// <param name="builder">The exception mapping builder.</param>
public static ExceptionMappingBuilder AddEndpointResponse(this ExceptionMappingBuilder builder)
=> builder.AddEndpointResponse(EndpointExceptionMappingDefaults.EndpointScheme, _ => { });
